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| laagfrequent | |||
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| laagfrequent | |||
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| lage frequentie | |||
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| kilometergolven f; lage frequenties | |||
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| grensfrequentie f | |||
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| frequentie verlagen | |||
| 英语 词库 | |||
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| LF | |||
| LF (30-300KHz) | |||
| LF (30 - 300 kHz) | |||
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| l.f. | |||
| The frequency band between 30 and 300 kHz | |||
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low-frequency : 47 短语, 11 学科 |
| 一般 | 4 |
| 信息技术 | 1 |
| 冶金 | 1 |
| 医疗的 | 1 |
| 地球科学 | 1 |
| 技术 | 2 |
| 机械工程 | 1 |
| 环境 | 1 |
| 电子产品 | 13 |
| 运输 | 1 |
| 通讯 | 21 |